package org.apache.maven.surefire.junitcore;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.junit.runner.Request;
import org.junit.runner.Runner;
import org.junit.runner.manipulation.Filter;
import org.junit.runner.manipulation.NoTestsRemainException;

/**
 * Moved nested class from {@link JUnitCoreWrapper}.
 */
final class FilteringRequest
    extends Request
{
    private Runner filteredRunner;

    public FilteringRequest( Request req, Filter filter )
    {
        try
        {
            Runner runner = req.getRunner();
            filter.apply( runner );
            filteredRunner = runner;
        }
        catch ( NoTestsRemainException e )
        {
            filteredRunner = null;
        }
    }

    @Override
    public Runner getRunner()
    {
        return filteredRunner;
    }
}
